Do it Impact Driver Set (7-Piece)

Economy priced hand tool. 7-piece set contains four 5/16" steel alloy insert bits (2 Phillips No. 2 and 3, 2 standard slotted 5/16" and 3/8"), socket adapter, chrome-plated knurled driver, and metal case. Blow from a hammer loosens or tightens rusted or frozen screws, nuts, or bolts.